    #include <iostream>
    /*添加多行注释的好习惯
    * 每一行都以一个星号开始
    * 这样表示改行属于某一块成对的注释
    */
    int main()
    {
        std::cout << "Enter two numbers:" << std::endl;
        int v1, v2;
        std::cin >> v1 >> v2;
        std::cout << "The sum of " << v1 << " and " << v2
                  << " is " << v1 + v2 << std::endl;
       std::cout << "/*";
       std::cout << "*/";

        return 0;
    }
